fix(build): fix unable to partially compile

lin

2025-04-25 6a7002bcc41716f11f4ca7eb68ebd06c18fdd5e8

1
2
3
4
5
6
7
8
9
10
11
12
13
14
#include "../Eigen/Core"
 
using namespace Eigen;
 
int main()
{
  VectorXf a(10), b(10);
  VectorXf const &ac(a);
#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
  b.swap(ac);
#else
  b.swap(ac.const_cast_derived());
#endif
}